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  • Title: Atrial natriuretic factor (ANF) gene expression in the Brattleboro rat.
    Author: Lavigne JP, Drouin J, Ding J, Thibault G, Nemer M, Cantin M.
    Journal: Peptides; 1988; 9(4):817-24. PubMed ID: 2976162.
    Abstract:
    Atrial natriuretic factor (ANF) is a 28-amino acid peptide hormone of cardiac origin. It has natriuretic, diuretic and vasorelaxant properties and inhibits several cardiovascular modulators. Because of the possible effects of arginine vasopressin (AVP) on ANF secretion, we have investigated ANF gene expression in Brattleboro rats which are genetically deficient in AVP. Our results indicate that cardiac ANF mRNA and ANF content are higher in Brattleboro rats compared to Long-Evans controls, whereas the plasma levels are similar in both groups. Typical secretory granules containing immunoreactive ANF are present in ventricular cardiocytes of Brattleboro but not of Long-Evans rats. These data suggest that ANF release may be uncoupled from its synthesis in the absence of AVP.
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